point = int(input())
rank = 1

for val in range(1800, 200, -200):
    if point >= val:
        break
    else:
        rank += 1
print(rank)    point = int(input()) point int(input()) int input() input rank = 1 rank 1 for val in range(1800, 200, -200):
    if point >= val:
        break
    else:
        rank += 1 val range(1800, 200, -200) range 1800 200 -200 if point >= val:
        break
    else:
        rank += 1 point >= val point val break rank += 1 rank 1 print(rank) print rank rank += 1 1 rank point = int(input()) int(input()) point rank = 1 1 rank
point = int(input())
rank = 1

for val in range(1800, 200, -200):
    if point >= val:
        break
    else:
        rank += 1
print(rank)   